分级强度有氧运动改善老年退伍军人的脑血管功能和表现:随机对照试验的协议
Medina Oneyi Bello1, Kevin Michael Mammino1, Mark Anthony Vernon2
1Joseph Maxwell Cleland Atlanta Veteran Affairs Medical Center, Decatur, GA, United States.
JMIR research protocols
|September 26, 2024
概括
有氧运动通过增强大脑血液流动和反应性来改善老年人的大脑功能. 这项研究调查了12周的骑自行车计划如何影响大脑输液和血管反应,为老年大脑健康提供了关于运动的见解.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 心血管健康 心血管健康
背景情况:
- 人口老龄化面临越来越多的医疗保健挑战,需要有效的康复策略.
- 运动是一种经过验证的干预措施,可以抵消与年龄相关的认知和感觉运动衰退.
- 保持老年人的独立性取决于保持认知和感官运动功能.
研究的目的:
- 用多式成像来研究运动对久坐不动的老年人的大脑和行为影响.
- 模拟运动诱导的大脑输液,脑血管反应率 (CVR) 和任务依赖的大脑活动的变化.
- 了解衰老中运动诱导的神经可塑性背后的机制.
主要方法:
- 在65-80岁的成年人中,12周有氧间歇循环与平衡/伸展干预.
- 评估心血管健康 (YMCA VO2测试),基底大脑输液 (ASL),CVR (超体fMRI).
- 在口语流和运动任务中通过fMRI测量皮质激活;干预前/后评估认知运动功能.
主要成果:
- 改善心血管健康与提高老年人的身体,认知健康和生活质量有关.
- 有氧运动被假设可以增加基底 perfusion 和改善关键大脑区域的CVR.
- 在fMRI期间皮质激活模式的变化与改善的任务性能相关.
结论:
- 运动在衰老过程中显著影响身体和认知健康.
- 这项研究阐明了老年人运动效益背后的脑血管机制.
- 这些发现可能会为改善大脑健康和减轻老年人神经退行性风险的运动处方提供信息.
关键词:
有氧运动是有氧运动.老化的老化 衰老的老化心血管疾病心血管疾病有关认知性的认知.认知健康 认知健康年长的老人老年人老年人.运动就是炼身体.功能磁力共振成像 (fMRI) 是一种功能性磁共振成像技术 功能性磁共振成像技术老年人的医疗服务老年病的治疗方法促进健康促进健康促进年龄较大的成年人.身体健康 身体健康 身体健康人们的生活质量.久坐不动的生活方式.退伍军人的退伍军人更多相关视频
相关概念视频
Exercise and Cardiac Output
939
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
939
Exercise and Cardiovascular Response
745
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
745
Cognitive Development During Adulthood
66
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
66
Exercise Stress Test
178
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
178
Regulation of Stroke Volume
3.2K
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
3.2K


